<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <!-- 引入vue开发环境版本 -->
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
</head>

<body>
    <div id="root">
        {{ message }}
    </div>

    <script type="text/javascript">
        Vue.config.productionTip = false; //阻止vue在启动时产生生产环境提示
        
        new Vue({
            el: '#root',
            data: {
                message: 'Hello Vue!'
            }
        })
    </script>
</body>

</html>